The purpose of the oil pump in a car is to circulate oil through the engine as a lubricant between moving parts. The Volvo S70 is a mid-size luxury sedan that was manufactured by Volvo from 1998 to 2000. It most often had a five-cylinder 2.4-litre engine with the oil pump attached to the front of the engine. The replacement of the oil pump on a Volvo S70 requires the removal of additional engine components to access the oil pump.
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Things you need
- Socket wrench set
- Jack stands
- Special tool 999 7109
- Special tool 999 5455
- Torque wrench
Disconnect the negative battery cable with a socket wrench to prevent the engine from starting. Remove the stabiliser brace for the engine. Disconnect the expansion tank and servo reservoir.
Remove the accessory drive belt by turning the belt tensioner clockwise with special tool 999 7109. Disconnect the front cover for the timing belt with a socket wrench.
Loosen the lug nuts on the right front wheel with a lug wrench. Raise the vehicle with a jack and support it on jack stands. Remove the right front wheel.
Disconnect the upper cover for the camshaft with a socket wrench and remove the timing belt. Disconnect the centre nut for the vibration damper and remove the vibration damper. Remove the pulley for the crankshaft timing gear and the front crankshaft seal.
Remove the mounting bolts for the oil pump with special tool 999 5455. Install the new oil pump and press it with the crankshaft nut to fully seat the oil pump. Tighten the mounting bolts to 88 inch-pounds with tool 999 5455 and a torque wrench.
Complete the oil pump installation by performing steps one through four in reverse order. Tighten the centre nut for the vibration damper to 133 foot-pounds with a torque wrench. Tighten the bolt for the engine bracket bolt to 59 foot-pounds. Start the Volvo S70 engine and check for oil leaks.
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